#include "MD_Parola.h"
#include "MD_MAX72xx.h"
#include "SPI.h"

#define HARDWARE_TYPE MD_MAX72XX::PAROLA_HW
#define MAX_DEVICES 4
const byte CS_PIN = 10;
const byte DATA_PIN = 11;
const byte CLK_PIN = 13;
const byte button1 = 9;

MD_Parola myDisplay = MD_Parola(HARDWARE_TYPE, CS_PIN, MAX_DEVICES);
MD_Parola myDisplay1 = MD_Parola(HARDWARE_TYPE, CS_PIN, MAX_DEVICES);

boolean message1;
boolean scroll;
boolean lastButtonState = LOW;
boolean arrayStart;
boolean arrayGo;
boolean stop;
int i;

char *myStrings[] = {
  "Greetings From West Virginia USA",
  "Hope Your Having An Awesome Day",
  "Please Dont Litter",
  "Let Me Hold A Dollar",
  "Be Kind To Animals And Children",
  "Hope This Helps - JohnathonJ"
};
void setup() {
  Serial.begin(9600);
  pinMode(button1, INPUT_PULLUP);
  myDisplay.begin();
  myDisplay.setIntensity(0);
  myDisplay.setTextAlignment(PA_CENTER);
  myDisplay.print("Ready");
  delay(1000);
  myDisplay.displayClear();
  myDisplay1.begin();
  myDisplay1.setIntensity(0);
  message1 = false;
  scroll = false;
  stop = true;
}

void loop() {
  byte buttonState = digitalRead(button1);
  if (buttonState == LOW) {
    arrayStart = (arrayStart == true) ? false : true;
    arrayGo = true;
    stop = false;
    i = 0;
  }
  if ((arrayStart == false) && (stop == false)) {
    i = 7;//there are not seven strings stops an unwanted clich in led display
    Serial.print("i");
    Serial.println(i);
    myDisplay1.displayClear();
    stop = true;
  }
  if (arrayGo == true) {//buttonCount in previous codes can be changed to a boolean true/false
    message1 = true;
    arrayGo = false;
  }
  if (message1 == true) {
    delay(500);
    Serial.println(myStrings[i]);
    Serial.print("i");
    Serial.println(i);
    myDisplay1.displayText(myStrings[i], PA_CENTER, 80, 0,
                           PA_SCROLL_LEFT, PA_SCROLL_LEFT);
    scroll = true;
    i++;
    message1 = false;
    if (i == 6) {  //resets the string count
      i = 0;
    }
  }
  if (scroll == true) {
    if (myDisplay1.displayAnimate()) {
      myDisplay1.displayReset();
      scroll = false;
      if ((arrayStart == true) && (i <= 5)) {
        arrayGo = true;
      }
    }
  }
}